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发明名称
STAENDERMODELL MIT AUSWECHSELBAREN SCHILDERN FUER LEHRZWECKE.
摘要
申请公布号
DE1749251(U)
申请公布日期
1957.07.25
申请号
DE195700V7668U
申请日期
1957.05.16
申请人
VERKEHRS-VERLAG G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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